This Tree Free Infinity Pencil Replaces Your Traditional Wood Pencil. Traditional Wood Pencil Set Write Only Up to Around 200 Metres, But This Tree Free Infinity Pencil, has a Writing Length of Up to Around 20000 Metres Using a Graphite Grey Tip to Produce a Graphite Grey Line. Not Only Does It Write Like a Pencil, But the Markings Can be Erased. It Works by Leaving a Graphite Grey Line on Paper Just Like a Regular Traditional Wood Pencil But It Wears Down So Slowly, That It Should Outlast Up to 100 Traditional Wood Pencils! Minimum Quantities Apply.